Saunders, Anthony, author
McGraw-Hill, 2001
Buku Teks
Johnson, Hazel J., author
McGraw-Hill, 1993
Buku Teks
Stickney, Clyde P., author
Harcourt Brace Jovanovich, 1990
Buku Teks
Bellandi, Francesco, author
Emerald, 2018
eBooks
Farhansyah Arditya Ideawan, author
2018
UI - Skripsi (Membership)